O91.11 – Abscess of breast associated with pregnancy

Code

O91.11 (claims format: O9111)

Description

Abscess of breast associated with pregnancy

Billable

No – use a more specific code below

Valid for

Dates of service October 1, 2026 – September 30, 2027 (FY2027)

Chapter

15. Pregnancy, childbirth and the puerperium (O00-O9A)

Block

O85-O92 Complications predominantly related to the puerperium

Parent codes

O91 › O91.1

Billable codes under O91.11

O91.11 is a header code and cannot be used on claims. Choose the most specific code:

• O91.111 – Abscess of breast associated with pregnancy, first trimesterBillable
• O91.112 – Abscess of breast associated with pregnancy, second trimesterBillable
• O91.113 – Abscess of breast associated with pregnancy, third trimesterBillable
• O91.119 – Abscess of breast associated with pregnancy, unspecified trimesterBillable

Notes for O91.11

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

O91 – Infections of breast associated with pregnancy, the puerperium and lactation

Block O85-O92

Index terms for O91.11

Entries in the ICD-10-CM alphabetic index that lead to this code:

• Abscess, gestational mammary
• Gestational, mammary abscess
• Gestational, purulent mastitis
• Abscess, gestational subareolar
• Gestational, subareolar abscess
• Pregnancy, complicated by, abscess or cellulitis, breast
• Mastitis, obstetric, purulent, associated with, pregnancy

Related codes in O91.1

• O91.12 – Abscess of breast associated with the puerperiumBillable
• O91.13 – Abscess of breast associated with lactationBillable